/* CoralCube | Massively Multiplayer Online Role-Playing Game(MMORPG) Emulator.
|* 
|* Copyright (C) 2008-2010 TrinityCore <http://www.trinitycore.org/>
|*               2008-2010 CoralCube <http://www.CoralCube.com/>
|*
|* This program is free software. You can redistribute it and/or modify it under the terms of 
|* the GNU General Public License as published by the Free Software Foundation, either 
|* version 2 of the License.
|*
|* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY, 
|* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
|* See the GNU General Public License for more details.
|*
|* You should have received a copy of the GNU General Public License along with this program. 
|* If not, see <http://www.gnu.org/licenses/>.
|*/

#ifndef _TRANSACTION_H
#define _TRANSACTION_H

#include "SQLOperation.h"

//- Forward declare (don't include header to prevent circular includes)
class PreparedStatement;

/*! Transactions, high level class. */
class Transaction
{
    friend class TransactionTask;
public:
    ~Transaction() { Cleanup(); }

    void Append(PreparedStatement* statement);
    void Append(const char* sql);
    void PAppend(const char* sql, ...);

    size_t GetSize() { return m_queries.size(); }

protected:
    void Cleanup();
    std::queue<SQLElementData> m_queries;

private:
    bool m_actioned;
};
typedef ACE_Refcounted_Auto_Ptr<Transaction, ACE_Null_Mutex> SQLTransaction;

/*! Low level class*/
class TransactionTask : public SQLOperation
{
    template <class T> friend class DatabaseWorkerPool;
    friend class DatabaseWorker;

public:
    TransactionTask(SQLTransaction trans) : m_trans(trans) { } ;
    ~TransactionTask() { };

protected:
    bool Execute();

    SQLTransaction m_trans;
};

#endif
